D Ring Tie-Down Anchor, Round Bolt-On Cargo Tie Down Flush Mount DRing by DC Cargo Mall, Strong Steel TieDown Anchor for Truck, Trailer, Flatbed, Pickup Bed Galvanized steel D RING TIE-DOWN ANCHOR with round recessed pan fitting Floor surface mount - See product description for installation instructions D Ring Dimensions: Diameter: 1/4" Length Clearance: 1 1/2" Width Clearance: 1 3/8" Round PAN FITTING Dimensions: Diameter: 4 1/4" Height: 1/4" Assembly Break Strength: 1,200 lbs. Working Load Limit 400 lbs.